From the answer:
Hi eccolequa, Here are a few possible reasons why QuickBooks won't open: Multiple windows opened in your company file There are any folder permission issues The company file is located to a network drive Company file is damaged Sometimes, restartin

From the answer:
You can enter them as regular paychecks or create a year-to-date entry, Chilanguiux.... Just make sure to edit the dates to 2018 so it will be recorded as last year's payroll transaction.